This publication is perfect for the engineer, technician, hobbyist and scholar who've wisdom of the fundamental ideas of PIC microcontrollers and need to increase extra complex functions utilizing the 18F series.
The structure of the PIC 18FXXX sequence in addition to regular oscillator, reset, reminiscence, and input-output circuits is totally specified. After giving an creation to programming in C, the e-book describes the undertaking improvement cycle in complete, giving info of the method of enhancing, compilation, blunders dealing with, programming and using particular improvement instruments. the majority of the booklet offers complete information of attempted and proven hands-on initiatives, reminiscent of the 12C BUS, USB BUS, CAN BUS, SPI BUS and real-time working systems.* a transparent advent to the PIC 18FXXX microcontroller's architecture
* 20 initiatives, together with constructing instant and sensor community functions, utilizing I2C BUS, USB BUS, CAN BUS and the SPI BUS, which provide the block and circuit diagram, application description in PDL, software directory and software description.
* quite a few examples of utilizing developmental instruments: simulators, in-circuit debuggers (especially ICD2) and emulators

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Extra resources for Advanced PIC microcontroller projects in C: from USB to ZIGBEE with the 18F series

Example text

Normalize the number. The sign of the result is the EXOR of the signs of the two numbers. Since the exponent is processed twice in the calculations, we have to subtract 127 from the exponent. An example showing the multiplication of two floating point numbers follows. 7510 in floating point and then calculate their multiplication. ” The sum of the exponents is 126 þ 126 ¼ 252. Subtracting 127 from the mantissa, we obtain 252 – 127 ¼ 125. The EXOR of the signs of the numbers is 0. 375), which is the correct result.

The higher byte and the lower byte of a multiplication are stored in two 8-bit registers called PRODH and PRODL respectively. The program counter and program memory are shown in the upper left portion of the diagram. Program memory addresses consist of 21 bits, capable of accessing 2Mbytes of program memory locations. The PIC18F452 has only 32Kbytes of program memory, which requires only 15 bits. The remaining 6 address bits are redundant and not used. A table pointer provides access to tables and to the data stored in program memory.

61 30 15 7 3 1 0 Remainder 0 (LSD) Remainder 1 Remainder 0 Remainder 1 Remainder 1 Remainder 1 Remainder 1 (MSD) The binary number is 11110102. 8 Converting Binary Numbers into Hexadecimal To convert a binary number into hexadecimal, arrange the number in groups of four and find the hexadecimal equivalent of each group. If the number cannot be divided exactly into groups of four, insert zeros to the left of the number as needed so the number of digits are divisible by four. 6 Convert binary number 100111112 into hexadecimal.